0.2X+0.5/0.5—0.03+0.02/0.03=X--5/2 急用
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0.2X+0.5/0.5—0.03+0.02/0.03=X--5/2 急用
0.2X+0.5/0.5—0.03+0.02/0.03=X--5/2
急用
0.2X+0.5/0.5—0.03+0.02/0.03=X--5/2 急用
(0.2X+0.5)/0.5—(0.03+0.02)/0.03=(X-5)/2
(2x+5)/5-(3+2)/3=(x-5)/2
6(2x+5)-50=15(x-5)
12x+30-50=15x-75
3x=55
x=55/3
x-30-0.2x=0.5x
0.02x-0.01/0.03-0.4x+0.2/0.5-3X+2/4=-3求x
4x一5/0.5—5x-0.8/0.2=1.2-x/0.1 x=
0.5/0.2x+0.5=4+0.03/0.03+0.02x
解方程.(0.5x+2)/0.03-x=[0.3(0.5x+2)]/0.2解方程.(0.5x+2)/0.03-x=[0.3(0.5x+2)]/0.2
0.2x+0.5/0.5--0.03+0.12x/0.3=x-6/2(0.2x+0.5)/0.5-(0.03+0.12x)/0.3=(x-6)/2
0.4x-2.1/0.5-0.5-0.2x/0.03=0.6
0.5x+2/0.03-x=0.3(0.5x+2)/0.20.5x+2/0.03-x=0.3(0.5x+2)/0.2
3分之2X+1=1 0.2X+0.5-0.03+0.02X=2分之X-5 0.03分之0.1X-0.2-0.5分之2X+1=3 6【X-2(X-1])】=2(X-3
0.2X+0.5/0.5—0.03+0.02/0.03=X--5/2 急用
(0.4x-2.1)/0.5=(0.1+0.2x)/0.03-0.6
(0.4x-2.1)/0.5=(0.1+0.2x)/0.03-6
(0.4x-2.1)/0.5=(0.1+0.2x)/0.03-0.6
(0.2x+0.5)/0.5-(0.03+0.02x)/0.03=(x-5)/2
0.2x+0.5/0.5-0.03+0.02x/0.03=x-5/2
(0.5x+2)/0.03-x=0.3(0.5x+2)/0.2-10又12分之11
0.5x+2/0.03-x=0.3(0.5x+2)/0.2
[0.05x+0.2]/0.03-x={0.3[0.5x+2]}/0.2